1 /* 2 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 6518061 27 * @summary Test that an MBean interface can inherit two methods with 28 * the same signature from two unrelated parent interfaces 29 * @author Eamonn McManus 30 */ 31 32 import java.util.*; 33 import java.lang.reflect.*; 34 import javax.management.*; 35 36 public class DuplicateGetterTest { 37 public static interface FooMBean { 38 public MBeanNotificationInfo[] getNotificationInfo(); 39 } 40 41 public static interface BazMBean { 42 public MBeanNotificationInfo[] getNotificationInfo(); 43 } 44 45 public static interface BarMBean extends FooMBean, BazMBean { 46 } 47 48 public static class Bar implements BarMBean { 49 public MBeanNotificationInfo[] getNotificationInfo() { 50 return null; 51 } 52 } 53 54 public static void main(String[] args) throws Exception { 55 System.out.println("Testing that inheriting the same getter from " + 56 "more than one interface does not cause problems"); 57 DynamicMBean mbean = 58 new StandardMBean(new Bar(), BarMBean.class); 59 // Before fix, preceding line threw exception 60 MBeanAttributeInfo[] attrs = mbean.getMBeanInfo().getAttributes(); 61 System.out.println("Attributes: " + Arrays.toString(attrs)); 62 if (attrs.length != 1) 63 throw new Exception("Wrong number of attributes: " + attrs.length); 64 if (!attrs[0].getName().equals("NotificationInfo")) 65 throw new Exception("Wrong attribute name: " + attrs[0].getName()); 66 System.out.println("Test passed"); 67 } 68 }